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14 November, 09:39

The length of a pool is 10 meters more than twice the width. The area of the pool is 1500 square meters. What is the length of the pool?

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Answers (2)
  1. 14 November, 11:06
    0
    Let's make the length L and the width w. So, here's what we know:

    L = 2w + 10

    Lw = 1500

    Substitute L in as 2w + 10:

    w (2w + 10) = 1500.

    Simplify.

    2w squared + 10w = 1500

    Make it a quadratic equation, w = 25 or - 30. Since it can't be negative, w = 25.

    1500/25 = 60.

    Length = 60

    Width = 25
  2. 14 November, 11:30
    0
    Length is 1010, width is 494.
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